IPSec

Problem Description This article describes how to troubleshoot IPSec error: 22: Invalid argument. Scope FortiGate Solution Step 1: IPSec Tunnel is configured between FG-A and FG-B with the following Phase2 selector setting: FG-A: [IPSec_local] IPSec_local_subnet_1: 10.251.0.0/20 IPSec_local_subnet_2: 10.251.0.0/24 [IPSec_remote] IPSec_remote_subnet_1: 10.120.0.0/20 FG-B: [IPSec_local] IPSec_local_subnet_1: 10.120.0.0/20 [IPSec_remote] IPSec_remote_subnet_1: 10.251.0.0/20 IPSec_remote_subnet_2: 10.251.0.0/24 Step 2: IPSec phase2 is …

Problem Description This article describes how to synchronize and verify IPSec tunnel with FGSP. Scope FortiGate v7.0, FortiOS 7.2. Solution Scenario: In this scenario, there are 2 FortiGates: ‘FGT-1’ acting as the primary. ‘FGT-2’ acting as a backup and a remote VPN gateway. …….REMOTE VPN GATEWAY ……………10.100.100.3 …………………….| …………………….| …………………….| …………………….| 10.100.100.1…..|…. 10.100.100.2 ….FGT-1————–FGT-2 192.168.1.1…………….192.168.1.2 …